/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.epl.lookup;
import com.espertech.esper.epl.join.table.EventTable;
import com.espertech.esper.epl.join.table.PropertyIndexedEventTableSingle;
import com.espertech.esper.epl.virtualdw.VirtualDWView;
/**
* Index lookup strategy that coerces the key values before performing a lookup.
*/
public class SubordIndexedTableLookupStrategySingleCoercingFactory extends SubordIndexedTableLookupStrategySingleExprFactory {
private Class coercionType;
public SubordIndexedTableLookupStrategySingleCoercingFactory(boolean isNWOnTrigger, int streamCountOuter, SubordPropHashKey hashKey, Class coercionType) {
super(isNWOnTrigger, streamCountOuter, hashKey);
this.coercionType = coercionType;
}
@Override
public SubordTableLookupStrategy makeStrategy(EventTable[] eventTable, VirtualDWView vdw) {
if (isNWOnTrigger) {
return new SubordIndexedTableLookupStrategySingleCoercingNW(evaluator, (PropertyIndexedEventTableSingle) eventTable[0], coercionType, strategyDesc);
} else {
return new SubordIndexedTableLookupStrategySingleCoercing(streamCountOuter, evaluator, (PropertyIndexedEventTableSingle) eventTable[0], coercionType, strategyDesc);
}
}
}